Typical September highs at Ross Cove Beach reach about 70°F. Ross Cove Beach is located in Half Moon Bay, California.
Half Moon Bay, California · live parking & conditions · updated June 19, 2026
In a typical year September is the warmest month here, with highs near 70°F. Tap Ross Cove Beach on the map for live surf, wind, water temperature, UV and tide times.
Open Ross Cove Beach on the map →